EP4246709B1 - Phasenschieber und elektrisch gesteuerte antenne - Google Patents

Phasenschieber und elektrisch gesteuerte antenne

Info

Publication number
EP4246709B1
EP4246709B1 EP20967806.9A EP20967806A EP4246709B1 EP 4246709 B1 EP4246709 B1 EP 4246709B1 EP 20967806 A EP20967806 A EP 20967806A EP 4246709 B1 EP4246709 B1 EP 4246709B1
Authority
EP
European Patent Office
Prior art keywords
dielectric plate
metal stripline
phase shifter
stripline
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20967806.9A
Other languages
English (en)
French (fr)
Other versions
EP4246709A4 (de
EP4246709A1 (de
Inventor
Fuwei LEI
Shaopu LV
Li Jin
Maobin Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4246709A1 publication Critical patent/EP4246709A1/de
Publication of EP4246709A4 publication Critical patent/EP4246709A4/de
Application granted granted Critical
Publication of EP4246709B1 publication Critical patent/EP4246709B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters
    • H01P1/184—Strip line phase-shifters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means

Definitions

  • This application relates to the field of communication technologies, and in particular, to a phase shifter and a remote electrical tilt antenna.
  • a remote electrical tilt antenna of a base station implements down tilt adjustment of a beam of the base station antenna using a phase shifter, which makes the network coverage more flexible.
  • the phase shifter is a core component of the base station antenna, and the performance of the phase shifter directly affects the overall performance of the antenna.
  • a mainstream phase shifter in the industry changes a signal propagation rate by changing a dielectric constant around a feeder inside the phase shifter, to change a phase shift amount. Due to machining tolerances of various components in the phase shifter, there are differences in the coordination between the various components in the phase shifter, resulting in unstable performance of an antenna.
  • CN206301919U discloses a miniaturization single step mode phase shifter including a lower earth plate, a upper earth plate which is installed to the lower, and a first phase shift power division network and a second phase shift power division network that are installed between the lower earth plate and the upper earth plate.
  • the first phase shift power division network and the second phase shift power division network transversely displaced along the lower earth plate and arranged horizontally along the lower earth plate.
  • EP1522119B1 discloses a phase shifter comprising two dielectric plates which are arranged in such a way that they are movable in a selected direction inside a metallic box and clamp a main metallic segment in order to form a dephasing cell whose terminals are situated on the extremities thereof.
  • the main segment is provided with two conductive sections which are arranged in parallel to each other, transversally and longitudinally spaced from each other with respect to the selected direction and provided with a conductive link.
  • the dielectric plates are provided with orifices which determine mobile windows, detecting in a variable manner the sections according to the motion of the dielectric plates in the box.
  • WO2015/081475A1 discloses a phase shifting apparatus comprising a feeder and a movable dielectric element neighboring to at least one side of the feeder.
  • the dielectric element comprises two or more separated interactive dielectric sections with certain dielectric constants.
  • the interactive dielectric sections are dynamically overlapped with the feeder. The area of each of the interactive dielectric sections decreases along the direction of inserting into the feeder.
  • US2017/069941A1 discloses a dielectric phase shifter comprising a cavity having an elongated receiving space, a phase shifting circuit disposed inside the receiving space, and a dielectric element slidably mounted in the receiving space and parallel with the phase shifting circuit.
  • a rail is disposed on an inner wall of the cavity for preventing contact between the movable dielectric element and the phase shifting circuit.
  • the phase shifter includes a metal stripline, a first dielectric plate, and a second dielectric plate.
  • the metal stripline includes a main body and a transmission section connected to the main body, and the metal stripline is clamped between the first dielectric plate and the second dielectric plate.
  • the first dielectric plate and the second dielectric plate slide relative to the transmission section of the metal stripline along a length direction of the metal stripline.
  • a limiting protrusion protrudes along the length direction on a surface of the first dielectric plate and/or the second dielectric plate facing the metal stripline.
  • the limiting protrusion is located on a side portion of the metal stripline, and the limiting protrusion is configured to limit displacement of the first dielectric plate and the second dielectric plate relative to the metal stripline when the first dielectric plate and the second dielectric plate slide.
  • a limiting protrusion is disposed on the first dielectric plate and/or the second dielectric plate, so as to limit displacement of the first dielectric plate and the second dielectric plate relative to the metal stripline when the first dielectric plate and the second dielectric plate slide. Therefore, the first dielectric plate and the second dielectric plate can slide along a width direction of the metal stripline without deviation, thereby realizing accurate control of phase change by the phase shifter.
  • the limiting protrusion moves along the side portion of the metal stripline, and an extension direction of the side portion is the same as the length direction.
  • the limiting protrusion moves along the side portion of the metal stripline as the first dielectric plate and the second dielectric plate slide, and plays a guiding role for the movement of the first dielectric plate and the second dielectric plate, allowing the first dielectric plate and the second dielectric plate to slide along the side portion of the metal stripline, that is, the length direction of the metal stripline.
  • the limiting protrusion limits displacement of the first dielectric plate and the second dielectric plate relative to the metal stripline in the width direction, and the width direction is perpendicular to the length direction.
  • the limiting protrusion plays a blocking role, keeping the first dielectric plate always sliding along the length direction of the metal stripline, and avoiding deviating from the metal stripline in the width direction.
  • the phase shifter can accurately implement phase change, and stability of electrical performance is not affected by differences in coordination of various components in the phase shifter.
  • the limiting protrusion protrudes on the first dielectric plate
  • the limiting protrusion includes a body connected to the first dielectric plate and a limiting body located at an end portion of the body, the limiting body protrudes on one side of the body and extends towards the width direction, and the limiting body is located on a surface of the metal stripline facing away from the first dielectric plate.
  • the metal stripline is stuck between the first dielectric plate and the limiting body in a height direction.
  • the body defines a deviation of the first dielectric plate in the width direction
  • the limiting body defines a deviation of the first dielectric plate in the height direction relative to the metal stripline.
  • a distance between the limiting protrusion and the side portion of the metal stripline is greater than 0 mm and less than or equal to 1 mm. In this way, there is a distance between the limiting protrusion and the side portion of the metal stripline, that is, the first dielectric plate is not in contact with the metal stripline, allowing the first dielectric plate and the second dielectric plate to slide smoothly along the metal stripline. In addition, the distance between the limiting protrusion and the side portion of the metal stripline is not too large, avoiding that the first dielectric plate and the second dielectric plate do not deviate relative to the metal stripline in the width direction when sliding.
  • a plurality of limiting protrusions are provided, and the plurality of limiting protrusions are located on one side of the first dielectric plate and/or the second dielectric plate and disposed at intervals along the length direction. Alternatively, a plurality of limiting protrusions are located on two opposite sides of the first dielectric plate and/or the second dielectric plate and disposed in pairs. Alternatively, the plurality of limiting protrusions are located on two opposite sides of the first dielectric plate and/or the second dielectric plate and disposed in a staggered manner.
  • a plurality of limiting protrusions are provided, and the plurality of limiting protrusions are located on two opposite sides of the first dielectric plate and/or the second dielectric plate and are disposed at intervals along the length direction, and are located on two opposite sides of the metal stripline.
  • the first dielectric plate and/or the second dielectric plate are provided with a plurality of limiting protrusions on two opposite sides of the metal stripline, that is, the metal stripline is located between the limiting protrusions of the two sides, so that neither the first dielectric plate nor the second dielectric plate deviates in a direction toward the two opposite sides in a width direction, which further limits deviation in a width direction of the first dielectric plate and/or the second dielectric plate relative to the metal stripline.
  • the limiting protrusion protrudes on the first dielectric plate, a groove is provided on a surface of the second dielectric plate opposite to the first dielectric plate, the first dielectric plate is connected to the second dielectric plate, and the limiting protrusion extends into the groove and is held and fastened in the groove, or the limiting protrusion is a hook, the limiting protrusion protrudes on the first dielectric plate, a slot is provided on a surface of the second dielectric plate opposite to the first dielectric plate, the first dielectric plate is connected to the second dielectric plate, and the hook is held in the slot.
  • the metal stripline includes a signal input terminal and a signal output terminal, the metal stripline is fastened in the cavity, and the transmission section is suspended in the cavity.
  • the signal input terminal and the signal output terminal are configured to electrically connect to a cable outside the cavity, and the first dielectric plate and the second dielectric plate are disposed in the cavity and are movable relative to the transmission section of the metal stripline.
  • a signal that needs to be radiated out is transmitted to the cavity via the signal input terminal, and is transmitted to the signal output terminal along the direction of the metal stripline via a medium in the cavity.
  • the transmission section includes a first transmission section and a second transmission section, a gap extending along the length direction is formed between the first transmission section and the second transmission section, and the gap is provided with an opening in the length direction.
  • a buckle is disposed on the first dielectric plate, a slot is provided at a position of the second dielectric plate relative to the buckle, the buckle passes through the gap and is held in the slot, and the buckle slides in the gap, so that the first dielectric plate and the second dielectric plate slide in a same direction relative to the metal stripline.
  • the first dielectric plate and the second dielectric plate are relatively fastened by disposing a buckle structure, so as to limit displacement in a height direction of the first dielectric plate and the second dielectric plate.
  • the structure is simple and can conveniently control changes of displacement in a height direction of the first dielectric plate and the second dielectric plate relative to the metal stripline. It is important that a gap generated by the metal stripline is directly used as a guide groove for sliding the first dielectric plate and the second dielectric plate.
  • the buckle can slide in the gap and play a guiding role, the first dielectric plate and the second dielectric plate can be guided without changing any structure for the strip line of irregular structure.
  • the machining precision is improved, the structural complexity is reduced, the consistency and stability of the electrical performance are ensured, the performance of the phase shifter is further ensured, and the gap includes an opening, which is also very convenient in assembly.
  • the first dielectric plate includes a first side surface and a second side surface
  • the second dielectric plate includes a third side surface and a fourth side surface
  • an abutting protrusion protrudes on each of the first side surface and the third side surface
  • the cavity includes two opposite cavity walls
  • the first dielectric plate and the second dielectric plate slide in the cavity
  • the abutting protrusions slide along the cavity walls.
  • a sliding trajectory of the first dielectric plate and the second dielectric plate in the cavity can be limited through the abutting protrusions, and a structure is simple, which can better ensure the performance of the phase shifter.
  • the cavity includes a first sidewall and a second sidewall, opposite to each other and extending along the length direction of the metal stripline, two guide grooves are provided on each of the first sidewall and the second sidewall, and two opposite sides of the first dielectric plate are slidably mounted in one of the guide grooves on the first sidewall and the second sidewall, and two opposite sides of the second dielectric plate are slidably mounted in another guide groove on the first sidewall and the second sidewall.
  • the guide groove is provided in the cavity, and the first dielectric plate and the second dielectric plate are mounted in the guide groove, so that the guide groove may play both a guiding role on the first dielectric plate and the second dielectric plate, and a limiting role on the first dielectric plate and the second dielectric plate.
  • the remote electrical tilt antenna includes a radiating element and the phase shifter, the radiating element is connected to the phase shifter, and an electromagnetic wave signal transmitted by the phase shifter is radiated out through the radiating element. Because the phase shifter provided in this application can perform phase shift control more accurately, the remote electrical tilt antenna has higher stability.
  • the phase shifter provided in this application is provided with a limiting protrusion on the first dielectric plate and/or the second dielectric plate of the phase shifter, which can limit displacement in a vertical sliding direction during the sliding process of the first dielectric plate and the second dielectric plate, and implement a guiding function of the sliding direction. Further, the consistency and stability of the electrical performance can be better ensured.
  • the remote electrical tilt antenna includes a phase shifter 100 shown in FIG. 1 and a radiating element connected to the phase shifter 100 in a radio frequency manner. A signal that needs to be radiated out via the radiating element is changed to a required phase via the phase shifter 100, and then is radiated out via the radiating element.
  • the radio frequency connection includes an electrical connection, a coupling connection, or the like. There may be one or more radiating elements, and a plurality of radiating elements are connected to a signal output port of the phase shifter 100 in a radio frequency manner.
  • the phase shifter 100 is in a long strip-shaped.
  • the radiating element is a radiating antenna.
  • the remote electrical tilt antenna may include one or more independent phase shifters 100, so as to meet an actual use requirement. The following explains the phase shifter 100 in this application by using a specific embodiment.
  • the phase shifter 100 includes a metal stripline 20, a first dielectric plate 10, and a second dielectric plate 30.
  • the metal stripline 20 includes a main body 21 and a transmission section (not shown) connected to the main body 21.
  • the metal stripline 20 is clamped between the first dielectric plate 10 and the second dielectric plate 30, and the first dielectric plate 10 and the second dielectric plate 30 may slide relative to the transmission section of the metal stripline 20 along a length direction of the metal stripline 20.
  • At least one limiting protrusion 11 protrudes along the length direction on a surface of the first dielectric plate 10 and/or the second dielectric plate 30 facing the metal stripline 20.
  • At least one of the limiting protrusions 11 is opposite to a side portion 201 of the metal stripline 20. At least one of the limiting protrusions 11 is configured to limit displacement of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 when the first dielectric plate 10 and the second dielectric plate 30 slide.
  • a plurality of limiting protrusions 11 are disposed on the first dielectric plate 10.
  • the length direction refers to an extension direction of the metal stripline 20 or a sliding direction of the first dielectric plate 10, specifically an X direction.
  • a direction perpendicular to the length direction and on a same plane is a width direction, specifically a Y direction.
  • a direction is perpendicular to the X and Y directions is a height direction Z.
  • the signal is transmitted from one end of the metal stripline 20 to the other end of the metal stripline 20.
  • the first dielectric plate 10 and the second dielectric plate 30 may slide relative to the transmission section of the metal stripline 20 along the length direction of the metal stripline 20, so as to change an area of the metal stripline 20 covered by the first dielectric plate 10 and the second dielectric plate 30.
  • an equivalent dielectric constant of a medium in a transmission section through which the signal passes is changed, thereby changing power and a phase of a signal output from the metal stripline 20.
  • the "transmission section through which the signal passes” refers to a signal transmission path of the signal on the metal stripline 20.
  • the limiting protrusion 11 may limit positions of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 in a direction perpendicular to a sliding direction, so that the dielectric plate can slide accurately in the length direction without width deviation.
  • the first dielectric plate 10 and the second dielectric plate 30 can be guided, thereby realizing stability of the phase shifter 100 to a phase change.
  • the metal stripline 20 is a metal stripline structure of an irregular structure formed by processing a metal piece such as a metal wire or a metal plate.
  • the metal stripline 20 includes an upper surface 203, a lower surface 204 opposite to the upper surface 203, and two opposite side portions 201.
  • An extension direction of the side portion 201 is the same as the length direction of the metal stripline 20.
  • the metal stripline 20 includes a plurality of transmission sections disposed at intervals. The plurality of transmission sections are connected via the main body 21, and the main body 21 may be an unconnected irregular sheet-like member.
  • the transmission section is a portion that can output a signal, and the main body 21 is configured to fasten the transmission section and connect the first dielectric plate 10 and the second dielectric plate 30.
  • the transmission section is a curved structure, for example, in a wave shape or a zigzag shape, formed by processing a metal wire or a metal plate.
  • a length of the phase shifter 100 is shortened as much as possible, so that a volume of the phase shifter 100 can be reduced as much as possible, while a fine phase shift control can be implemented. It is convenient to integrate the phase shifter 100 with other structures.
  • the transmission sections of the metal stripline 20 are a first partial transmission section 22, a second partial transmission section 23, and a third partial transmission section 24 that are arranged along the length direction.
  • the side portions 201 of the first partial transmission section 22, the second partial transmission section 23, and third partial transmission section 24 jointly form the side portions 201 of the metal stripline 20.
  • Upper surfaces and lower surfaces of the first partial transmission section 22, the second partial transmission section 23, and the third partial transmission section 24 jointly form the upper surface 203 and the lower surface 204.
  • both the first dielectric plate 10 and the second dielectric plate 30 are strip-shaped plate structures.
  • the first dielectric plate 10 includes a first surface 101 and a second surface 102 opposite to the first surface 101, and the first surface 101 is disposed opposite to the lower surface 204.
  • the second dielectric plate 30 includes a third surface 301 and a fourth surface 302 opposite to the third surface 301.
  • the first dielectric plate 10 and the second dielectric plate 30 are connected via a buckle structure, and the metal stripline 20 is located between the first dielectric plate 10 and the second dielectric plate 30.
  • the first surface 101 of the first dielectric plate 10 faces the lower surface 204 of the metal stripline 20
  • the third surface 301 of the second dielectric plate 30 faces the upper surface 203 of the metal stripline 20.
  • the plurality of limiting protrusions 11 protrude on the first surface 101 of the first dielectric plate 10, and the plurality of limiting protrusions 11 are disposed at intervals along the length direction on a same side of the first surface 101, as shown in FIG. 3 .
  • the limiting protrusion 11 is located on a side portion 201 of the metal stripline 20, that is, the limiting protrusion 11 is located on a side of the first dielectric plate 10 close to the side portion 201 of the metal stripline 20.
  • the plurality of limiting protrusions 11 are located on the side portions 201 of the first partial transmission section 22, the second partial transmission section 23, and the third partial transmission section 24, so that sliding displacement of the first dielectric plate 10 and the second dielectric plate 30 relative to the transmission section can be accurately limited.
  • a surface of the limiting protrusion 11 facing the side portion 201 has a distance from the side portion 201, which can ensure that the limiting protrusion 11 does not affect sliding smoothness of the first dielectric plate 10 and the second dielectric plate 30, also ensure that the first dielectric plate 10 and the second dielectric plate 30 are limited in the width direction when sliding.
  • the plurality of limiting protrusions 11 move along the side portion 201 of the metal stripline 20, and the plurality of limiting protrusions 11 limit displacement of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 in the width direction.
  • the plurality of limiting protrusions 11 can prevent the first dielectric plate from deviating from the metal stripline 20 in the width direction, so that the phase shifter 100 can accurately implement a phase change.
  • the plurality of limiting protrusions 11 move with the movement of the first dielectric plate 10 and the second dielectric plate 30. Because the limiting protrusions 11 can limit the displacement of the first dielectric plate 10 relative to the metal stripline 20 in the width direction, the limiting protrusions 11 do not deviate from the side portion 201 of the metal stripline 20. In this way, the limiting protrusions 11 move along with the first dielectric plate 10 along the side portion 201 of the metal stripline 20, so as to guide the movement of the first dielectric plate 10, so that the first dielectric plate 10 can slide along the metal stripline 20 within a tolerance range. It should be noted that when the first dielectric plate 10 slides, the second dielectric plate 30 slides along with the first dielectric plate 10 in the same direction, and the limiting protrusion 11 also limits the second dielectric plate 30.
  • the displacement of the first dielectric plate 10 relative to the metal stripline 20 during sliding is limited by disposing the limiting protrusion 11 on the first dielectric plate 10, so that the first dielectric plate 10 and the second dielectric plate 30 can accurately slide on the metal stripline 20 without deviation.
  • relative positions of the metal stripline 20 and the two dielectric plates can be controlled and a phase shift function can be implemented while guiding of the dielectric plates and limiting of the dielectric plates in the width direction are implemented.
  • An over-fit gap generated between the dielectric plates and an over-fit gap between the dielectric plate and the metal stripline 20 due to a tolerance are reduced, and consistency and stability of electrical performance of the phase shifter 100 can be ensured.
  • a plurality of limiting protrusions 11 are provided, and the plurality of limiting protrusions 11 are disposed along a side of the first dielectric plate 10, so that when the first dielectric plate 10 slides along the length direction of the metal stripline 20, the limiting protrusions 11 can simultaneously limit the first dielectric plate 10 at a plurality of positions, which further strengthens the limit of the displacement of the first dielectric plate 10 relative to the metal stripline 20 by the limiting protrusion 11.
  • a distance between the limiting protrusion 11 and the side portion 201 of the metal stripline 20 is greater than 0 mm and less than or equal to 1 mm. In this embodiment, the distance between the limiting protrusion 11 and the side portion 201 of the metal stripline 20 is 0.5 mm. In another embodiment, the distance between the limiting protrusion 11 and the side portion 201 of the metal stripline 20 may alternatively be greater than 0 mm and less than 0.5 mm, or greater than 0.5 mm and less than 1 mm.
  • the distance between the limiting protrusion 11 and the side portion 201 of the metal stripline 20 is not in contact with the metal stripline 20, allowing the first dielectric plate 10 to slide smoothly along the metal stripline 20.
  • the distance between the limiting protrusion 11 and the side portion 201 of the metal stripline 20 is not too large, avoiding that a deviation distance between the first dielectric plate 10 and the metal stripline 20 in the width direction is too large when the first dielectric plate slides.
  • the plurality of limiting protrusions 11 protrude on two opposite sides of the first surface 101 of the first dielectric plate 10 and are disposed at intervals along the length direction, and are located at relative positions of the two opposite side portions 201 of the metal stripline 20.
  • the metal stripline 20 is located between the limiting protrusions 11 on two sides. That is, the plurality of limiting protrusions 11 are disposed on the first surface 101 in pairs, and each pair of limiting protrusions 11 is respectively located on two sides of the first surface 101.
  • the transmission section of the metal stripline 20 is located between a pair of limiting protrusions 11.
  • the limiting protrusions 11 are in directions of the two opposite side portions 201 of the metal stripline 20, to limit the first dielectric plate 10. This enables the first dielectric plate 10 to slide exactly along the length direction of the metal stripline 20, and a deviation of the first dielectric plate 10 in the width direction relative to the metal stripline 20 is further limited.
  • the plurality of limiting protrusions 11 are distributed on two sides of the first surface 101, and are disposed in a staggered manner. In this way, a quantity of limiting protrusions 11 can be reduced, and displacement consistency of the first dielectric plate 10 can be ensured in an entire sliding process, thereby ensuring the stability of the phase shifter 100.
  • the wavy transmission section includes a plurality of convex portions and a plurality of concave portions, and the convex portions and the concave portion are disposed at intervals.
  • the concave portion includes an opening, located between two convex portions adjacent to the concave portion.
  • a size of the limiting protrusion 11 along the length direction is greater than a size of the opening along the length direction, so that the limiting protrusion 11 does not fall into the concave portion when the first dielectric plate 10 slides relative to the metal stripline 20, avoiding affecting sliding of the first dielectric plate in the length direction.
  • the limiting protrusion 11 may alternatively be of a continuous strip-shaped structure (not shown), and the strip-shaped limiting protrusion 11 is disposed on the first dielectric plate 10 along the length direction.
  • the limiting protrusion 11 can limit a further deviation of the first dielectric plate 10 in time, and correct the first dielectric plate 10 to an original sliding track. In this way, the first dielectric plate 10 can slide along the length direction of the metal stripline 20 without deviation in the width direction.
  • the limiting protrusion 11 is not limited to the shape described in this embodiment. The shape of the limiting protrusion can be changed, for example, a trapezoidal block or a ball, provided that performance and sliding of the dielectric plate are not affected.
  • the limiting protrusion 18 protrudes on the first dielectric plate 10, a groove 34 is provided on a surface of the second dielectric plate 30 opposite to the first dielectric plate 10, and the first dielectric plate 10 is connected to the second dielectric plate 30.
  • the limiting protrusion 18 extends into the groove 34 and is held and fastened in the groove 34.
  • the limiting protrusion is a hook
  • the limiting protrusion protrudes on the first dielectric plate
  • a slot is provided on a surface of the second dielectric plate opposite to the first dielectric plate, the first dielectric plate is connected to the second dielectric plate, and the hook is held in the slot.
  • the limiting protrusion is disposed on the first dielectric plate and extends into the second dielectric plate, so that the displacement of the first dielectric plate and the second dielectric plate in the width direction can be limited, and relative displacement between the first dielectric plate and the second dielectric plate and height displacement of the first dielectric plate and the second dielectric plate can be limited, thereby further ensuring sliding accuracy and achieving the stability of the electrical performance of the phase shifter.
  • a second embodiment of this application is not shown in the figure.
  • a difference from the foregoing embodiment lies in that the plurality of limiting protrusions 11 protrudes on the third surface 301 of the second dielectric plate 30 along the length direction, and the plurality of limiting protrusions 11 are located on the side portion 201 of the metal stripline 20.
  • the limiting protrusion 11 is configured to limit displacement of the second dielectric plate 30 relative to the metal stripline 20 when the second dielectric plate 30 slides.
  • the second dielectric plate 30 slides relative to the metal stripline 20 along the length direction.
  • the limiting protrusion 11 plays a blocking role, so that the second dielectric plate 30 always slides along the length direction of the metal stripline 20 without deviation in width.
  • the second dielectric plate 30 drives the first dielectric plate 10 to slide, which can also ensure a sliding trajectory of the first dielectric plate 10.
  • the plurality of limiting protrusions 11 are disposed on a side of the second dielectric plate 30 at intervals along the length direction. That is, the plurality of limiting protrusions 11 may be located on a side of the second dielectric plate 30 close to a first side portion 201, or may be located on a side of the first dielectric plate 10 close to a second side portion 201. In some embodiments, the plurality of limiting protrusions 11 may alternatively be located on two opposite sides of the second dielectric plate 30 and disposed at intervals along the length direction, and are located on two opposite sides of the metal stripline 20.
  • the metal stripline 20 is located between the limiting protrusions 11 on two sides, and the limiting protrusions can limit the second dielectric plate 30, so that the second dielectric plate 30 can accurately slide along the length direction of the metal stripline 20, to further avoid a deviation of the second dielectric plate 30 in the width direction relative to the metal stripline 20.
  • a difference from the foregoing embodiment lies in that the limiting protrusions 11 are disposed on both the first dielectric plate 10 and the second dielectric plate 30. That is, the limiting protrusions 11 protrude on both the first surface 101 of the first dielectric plate 10 and the third surface 301 of the second dielectric plate 30 along the length direction, and the limiting protrusion 11 is located on the side portion 201 of the metal stripline 20.
  • the limiting protrusion 11 is configured to limit displacement of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 when the first dielectric plate 10 and the second dielectric plate 30 slide.
  • the limiting protrusion 11 limits the displacement of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 in the width direction.
  • the first dielectric plate 10 and the second dielectric plate 30 slide relative to the metal stripline 20 in the length direction.
  • the limiting protrusion 11 plays a blocking role, so that the metal stripline 20 is always located between the limiting protrusions 11 on two sides, and the first dielectric plate 10 and the second dielectric plate 30 do not deviate from the metal stripline 20 in width.
  • the limiting protrusion 11 moves along the side portion 201 of the metal stripline 20.
  • the limiting protrusion 11 can guide the movement of both the first dielectric plate 10 and the second dielectric plate 30, so that the first dielectric plate 10 and the second dielectric plate 30 can smoothly slide along the length direction of the metal stripline 20.
  • the plurality of limiting protrusions 11 may protrude on one side or two sides of the first surface 101 of the first dielectric plate 10, or may protrude on one side or two sides of the third surface 301 of the second dielectric plate 30.
  • the limiting protrusions 11 on the first dielectric plate 10 and the second dielectric plate 30 may be located on two sides of the metal stripline 20.
  • the plurality of limiting protrusions 11 are located on two opposite sides of the first dielectric plate 10 and the second dielectric plate 30 and are disposed at intervals along the length direction, and are located on two opposite sides of the metal stripline 20.
  • the plurality of limiting protrusions 11 are disposed on the first dielectric plate 10 and the second dielectric plate 30 near the two side portions 201, and the metal stripline 20 is located between the limiting protrusions 11 on two sides.
  • the limiting protrusions 11 can limit both the first dielectric plate 10 and the second dielectric plate 30 in an X-axis positive direction and an X-axis negative direction, so that both the first dielectric plate 10 and the second dielectric plate 30 can accurately slide along the length direction of the metal stripline 20. This further limits deviations of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 in the width direction.
  • the limiting protrusion 11 includes a body and a limiting body (not shown) located at an end portion of the body.
  • the limiting body protrudes on one side of the body and extends towards the width direction.
  • the limiting body is located on a surface of the metal stripline 20 facing away from the first dielectric plate 10.
  • the first embodiment in which the limiting protrusion 11 is disposed on the first dielectric plate 10 is used as an example.
  • the limiting protrusion 11 protrudes on the second surface 102 of the first dielectric plate 10, the body protrudes on the second surface 102, and the other end is connected to the limiting body.
  • the limiting body is away from one side of the body and located on the lower surface 204 of the metal stripline 20. That is, the metal stripline 20 is stuck between the first dielectric plate 10 and the limiting body in a height direction.
  • the limiting body prevents the first dielectric plate 10 from deviating in the height direction and displacing in the width direction relative to the metal stripline 20. This further enables the first dielectric plate 10 to slide along the length direction of the metal stripline 20 more accurately.
  • the "height direction” herein refers to a direction perpendicular to the surface of the metal stripline 20.
  • the limiting protrusion 11 in this embodiment may be further disposed on the second dielectric plate 30, or may be disposed on both the first dielectric plate 10 and the second dielectric plate 30.
  • the body is connected to the second dielectric plate 30, and the limiting body is located on a surface of the metal stripline 20 facing away from the second dielectric plate 30. That is, the limiting body is away from one side of the body and located on the upper surface 203 of the metal stripline 20, and the metal stripline 20 is stuck between the second dielectric plate 30 and the limiting body in the height direction.
  • the body of the limiting protrusion 11 limits a deviation of the second dielectric plate 30 in the width direction, and the limiting body limits a deviation of the second dielectric plate 30 relative to the metal stripline 20 in the height direction.
  • the limiting protrusions 11 are disposed on both the first dielectric plate 10 and the second dielectric plate 30, the limiting protrusion 11 on the first dielectric plate 10 simultaneously limits deviations of the first dielectric plate 10 relative to the metal stripline 20 in the width direction and the height direction.
  • the limiting protrusion 11 on the second dielectric plate 30 simultaneously limits deviations of the second dielectric plate 30 relative to the metal stripline 20 in the width direction and the height direction.
  • the first dielectric plate 10 and the second dielectric plate 30 are connected via a buckle 15 and may slide relative to the metal stripline 20.
  • the first partial transmission section 22 of the transmission section includes a first transmission section 221 and a second transmission section 222, a gap 25 extending along the length direction is formed between the first transmission section 221 and the second transmission section 222.
  • the buckle 15 is disposed on the first dielectric plate 10.
  • a slot 33 is provided at a position of the second dielectric plate 30 opposite to the buckle 15. The buckle 15 passes through the gap 25 and is held in the slot 33.
  • the buckle 15 slides in the gap 25, so that the first dielectric plate 10 and the second dielectric plate 30 slide relative to the metal stripline 20 in the same direction.
  • the gap 25 is provided with an opening in the length direction, and during assembly, the opening facilitates assembly of the buckle 15 and the metal stripline 20.
  • the buckle 15 protrudes at an end portion of the first dielectric plate 10.
  • the buckle 15 at one end is used for description.
  • the buckle 15 includes two buckle bodies (not shown). Each of the buckle bodies includes a connection section and a hook protruding from the connection section. The two buckle bodies are disposed adjacently and the buckle 15 has opposite orientations.
  • the connection section has elasticity, to facilitate mounting in the slot 33 of the second dielectric plate 30.
  • connection section passes through the gap 25 of the metal stripline 20 and extends into the slot 33 and is held in the slot 33.
  • the connection section slides in the gap 25 to implement sliding displacement of the first dielectric plate 10 and the second dielectric plate 30.
  • the first dielectric plate 10 is fastened through the buckle 15, and sliding is implemented via a structure of the metal stripline 20, which saves the assembly structure, saves the process without changing any structure, and does not affect the performance of the metal stripline 20.
  • a single buckle body also protrudes on one side of the first dielectric plate 10, and a side edge of the second dielectric plate 30 corresponding to the buckle body forms an opening groove toward the inside of the dielectric plate.
  • the buckle body is buckled on the opening groove and does not interfere with the metal stripline 20. Disposition of the buckle 15 and the buckle body can fasten the first dielectric plate 10 and the second dielectric plate 30, and in particular, can define a consistency between a length direction and a height direction.
  • the phase shifter 100 includes a cavity 50
  • the metal stripline further includes a signal input terminal (not shown) and a signal output terminal (not shown)
  • the metal stripline 20 is fastened in the cavity 50
  • the transmission section is suspended in the cavity 50.
  • the signal input terminal and the signal output terminal are configured to electrically connect to a cable outside the cavity
  • the first dielectric plate 10 and the second dielectric plate 30 are disposed in the cavity 50 and are movable relative to the transmission section of the metal stripline 20.
  • the cavity 50 is a hollow rectangle, and two ends of the cavity are provided with openings.
  • a pull rod 40 is further disposed at an end portion of the first dielectric plate 10 or the second dielectric plate 30, and is configured to pull the first dielectric plate 10 and the second dielectric plate 30 to slide.
  • the cable passes through the cavity from the outside and is connected to the cavity, the cable includes an inner conductor and an outer conductor, the outer conductor is welded to a hole of the cavity, the inner conductor is configured to electrically connect to a corresponding signal input terminal and a corresponding signal output terminal, and the cable is configured to output and input a signal.
  • a signal that needs to be radiated out is transmitted to the cavity 50 via the signal input terminal, and is transmitted to the signal output terminal along the direction of the metal stripline 20 via a medium in the cavity 50.
  • the medium in the cavity 50 includes the first dielectric plate 10 and the second dielectric plate 30 that are laminated on a surface of the metal stripline 20, and air around the metal stripline 20.
  • the medium in the transmission section includes only air between the metal stripline 20 and the cavity 50.
  • the first dielectric plate 10 and the second dielectric plate 30 move to the transmission section. Therefore, the medium in the transmission section includes the first dielectric plate 10, the second dielectric plate 30, and air between the metal stripline 20 and the cavity 50 in the transmission section, so that the equivalent dielectric constant of the medium in the transmission section changes, and the phase of the signal output by the signal output terminal changes.
  • the first dielectric plate 10 and the second dielectric plate 30 are continuously moved, areas of the first dielectric plate 10 and the second dielectric plate 30 in the transmission section change continuously, even if the equivalent dielectric constant of the medium in the transmission section changes, and finally the phase of the signal output by the signal output terminal can be continuously changed. Therefore, in this application, the first dielectric plate 10 and the second dielectric plate 30 can be moved by a distance based on an actual requirement, so that a radiated signal has a required phase.
  • the transmission section of the metal stripline 20 is suspended in the cavity 50, and the metal stripline 20 does not need to be disposed on a substrate, thereby reducing signal energy loss caused by the substrate and increasing a gain of the remote electrical tilt antenna.
  • heat generated due to the signal energy loss can be reduced, thereby lowering a requirement of the phase shifter 100 for heat dissipation and heat resistance performance of an internal structural part, and enhancing temperature resistance reliability of each structure in the remote electrical tilt antenna.
  • the first dielectric plate 10 includes a first side surface 104 and a second side surface 103
  • the second dielectric plate 30 includes a third side surface 303 and a fourth side surface 304.
  • An abutting protrusion 32 (12) protrudes on each of the first side surface 104 and the third side surface 303.
  • the cavity 50 includes two opposite cavity walls. The first dielectric plate 10 and the second dielectric plate 30 slide in the cavity 50, and the abutting protrusion 32 (12) slides along the cavity wall. It may be understood that the abutting protrusion 32 (12) is just in contact with the cavity wall of the cavity 50 without affecting sliding, and sliding accuracy of the first dielectric plate 10 and the second dielectric plate 30 can be ensured.
  • the cavity 50 includes a first sidewall and a second sidewall (not shown) that are opposite to each other and that extend along the length direction of the metal stripline 20.
  • Two guide grooves 52 and 53 are provided on both the first sidewall and the second sidewall.
  • Two opposite sides of the first dielectric plate 10 are slidably mounted in one guide groove 52 on the first sidewall and the second sidewall, and two opposite sides of the second dielectric plate 30 are slidably mounted in the other guide groove 53 on the first sidewall and the second sidewall.
  • the guide grooves can guide the first dielectric plate 10 and the second dielectric plate 30 mounted inside the guide grooves, so that the first dielectric plate 10 and the second dielectric plate 30 can slide along the guide grooves without deviation.
  • the guide grooves can also limit the first dielectric plate 10 and the second dielectric plate 30, so that both the first dielectric plate 10 and the second dielectric plate 30 can only deviate within the guide grooves in the height direction and the width direction.
  • the deviations of the first dielectric plate 10 and the second dielectric plate 30 relative to the metal stripline 20 in the height direction and the width direction are small, which can further enhance accurate control of the phase change by the phase shifter 100.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)

Claims (14)

  1. Phasenschieber (100), umfassend eine Metallstreifenleitung (20), eine erste dielektrische Platte (10) und eine zweite dielektrische Platte (30), wobei die Metallstreifenleitung (20) einen Hauptkörper (21) und einen mit dem Hauptkörper verbundenen Übertragungsabschnitt (22, 23, 24) umfasst, die Metallstreifenleitung (20) zwischen die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) geklemmt ist, die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) relativ zu der Metallstreifenleitung (20) entlang einer Längenrichtung der Metallstreifenleitung (20) gleiten, mindestens ein Begrenzungsvorsprung (11) entlang der Längenrichtung auf einer der Metallstreifenleitung (20) zugewandten Fläche der ersten dielektrischen Platte (10) und/oder der zweiten dielektrischen Platte (30) hervorsteht, mindestens einer der Begrenzungsvorsprünge (11) einem Seitenabschnitt der Metallstreifenleitung (20) gegenüberliegt und mindestens einer der Begrenzungsvorsprünge (11) dazu konfiguriert ist, eine Verschiebung der ersten dielektrischen Platte (10) und der zweiten dielektrischen Platte (30) relativ zu der Metallstreifenleitung (20) zu begrenzen, wenn die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) gleiten;
    dadurch gekennzeichnet, dass
    der Übertragungsabschnitt (22) einen ersten Übertragungsabschnitt (221) und einen zweiten Übertragungsabschnitt (222) umfasst, und sich ein Teil des ersten Übertragungsabschnitts (221) entlang einer Breitenrichtung mit einem Teil des zweiten Übertragungsabschnitts (222) verbindet, und die Breitenrichtung senkrecht zu der Längenrichtung verläuft, ein sich entlang der Längenrichtung erstreckender Spalt (25) zwischen dem restlichen Teil des ersten Übertragungsabschnitts (221) und dem restlichen Teil des zweiten Übertragungsabschnitts (222) ausgebildet ist, ein Verschluss (15) auf der ersten dielektrischen Platte (10) angeordnet ist, und ein Schlitz (33) an einer Position der zweiten dielektrischen Platte (30) relativ zu dem Verschluss (15) bereitgestellt ist, und der Verschluss (15) durch den Spalt (25) verläuft und in dem Schlitz (33) gehalten wird, und der Verschluss (15) in dem Spalt (25) gleitet, sodass die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) relativ zu der Metallstreifenleitung (20) in die gleiche Richtung gleiten.
  2. Phasenschieber (100) nach Anspruch 1, wobei, wenn die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) relativ zu der Metallstreifenleitung (20) gleiten, sich mindestens einer der Begrenzungsvorsprünge (11) entlang des Seitenabschnitts der Metallstreifenleitung (20) bewegt und eine Erstreckungsrichtung des Seitenabschnitts dieselbe wie die Längenrichtung ist.
  3. Phasenschieber (100) nach Anspruch 1, wobei mindestens einer der Begrenzungsvorsprünge (11) eine Verschiebung der ersten dielektrischen Platte (10) und der zweiten dielektrischen Platte (30) relativ zu der Metallstreifenleitung (20) in der Breitenrichtung begrenzt.
  4. Phasenschieber (100) nach Anspruch 3, wobei mindestens einer der Begrenzungsvorsprünge (11) auf der ersten dielektrischen Platte (10) hervorsteht, jeder der Begrenzungsvorsprünge (11) einen mit der ersten dielektrischen Platte (10) verbundenen Körper und einen Begrenzungskörper, der sich an einem Endabschnitt des Körpers befindet, umfasst, der Begrenzungskörper auf einer Seite des Körpers hervorsteht und sich zu der Breitenrichtung hin erstreckt, und sich der Begrenzungskörper auf einer Fläche der Metallstreifenleitung (20) befindet, die von der ersten dielektrischen Platte (10) abgewandt ist.
  5. Phasenschieber (100) nach Anspruch 3, wobei ein geradliniger Abstand zwischen einer der Metallstreifenleitung (20) zugewandten Fläche des Begrenzungsvorsprungs (11) und dem Seitenabschnitt der Metallstreifenleitung (20) größer als 0 mm und kleiner oder gleich 1 mm ist.
  6. Phasenschieber (100) nach einem der Ansprüche 1 bis 3, wobei eine Vielzahl von Begrenzungsvorsprüngen (11) bereitgestellt ist und sich die Vielzahl von Begrenzungsvorsprüngen (11) auf einer Seite einer Fläche der ersten dielektrischen Platte (10) und/oder der zweiten dielektrischen Platte (30) befindet und in Abständen entlang der Längenrichtung angeordnet ist.
  7. Phasenschieber (100) nach einem der Ansprüche 1 bis 3, wobei sich die Vielzahl von Begrenzungsvorsprüngen (11) auf zwei gegenüberliegenden Seiten einer Fläche der ersten dielektrischen Platte (10) und/oder der zweiten dielektrischen Platte (30) befindet und paarweise angeordnet ist.
  8. Phasenschieber (100) nach einem der Ansprüche 1 bis 3, wobei sich die Vielzahl von Begrenzungsvorsprüngen (11) auf zwei gegenüberliegenden Seiten einer Fläche der ersten dielektrischen Platte (10) und/oder der zweiten dielektrischen Platte (30) befindet und gestapelt angeordnet ist.
  9. Phasenschieber (100) nach einem der Ansprüche 1 bis 3, wobei der Begrenzungsvorsprung (11) auf der ersten dielektrischen Platte (10) hervorsteht, eine Nut (34) auf einer Fläche der zweiten dielektrischen Platte (30) gegenüber der ersten dielektrischen Platte (10) bereitgestellt ist, die erste dielektrische Platte (10) mit der zweiten dielektrischen Platte (30) verbunden ist und sich der Begrenzungsvorsprung (11) in die Nut (34) erstreckt und in der Nut (34) gehalten wird und befestigt ist.
  10. Phasenschieber (100) nach einem der Ansprüche 1 bis 3, wobei der Begrenzungsvorsprung (11) ein Haken ist, der Begrenzungsvorsprung (11) auf der ersten dielektrischen Platte (10) hervorsteht, ein Schlitz auf einer Fläche der zweiten dielektrischen Platte (30) gegenüber der ersten dielektrischen Platte (10) bereitgestellt ist, die erste dielektrische Platte (10) mit der zweiten dielektrischen Platte (30) verbunden ist und der Haken in dem Schlitz gehalten wird.
  11. Phasenschieber (100) nach einem der Ansprüche 1 bis 5, wobei der Phasenschieber (100) einen Hohlraum (50) umfasst, die Metallstreifenleitung (20) einen Signaleingangsanschluss und einen Signalausgangsanschluss umfasst, die Metallstreifenleitung (20) in dem Hohlraum (50) befestigt ist und der Übertragungsabschnitt (22, 23, 24) in dem Hohlraum (50) aufgehängt ist; und der Signaleingangsanschluss und der Signalausgangsanschluss dazu konfiguriert sind, elektrisch mit einem Kabel außerhalb des Hohlraums (50) verbunden zu werden, und die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) in dem Hohlraum (50) angeordnet sind und relativ zu dem Übertragungsabschnitt (22, 23, 24) der Metallstreifenleitung (20) bewegbar sind.
  12. Phasenschieber (100) nach Anspruch 1 oder 11, wobei die erste dielektrische Platte (10) eine erste Seitenfläche (104) und eine zweite Seitenfläche (103) umfasst, die zweite dielektrische Platte (30) eine dritte Seitenfläche (303) und eine vierte Seitenfläche (304) umfasst, ein anliegender Vorsprung (12, 32) jeweils auf der ersten Seitenfläche (104) und der dritten Seitenfläche (303) oder auf der zweiten Seitenfläche (103) und der vierten Seitenfläche (304) hervorsteht, der Hohlraum (50) zwei gegenüberliegende Wände des Hohlraums (50) umfasst, die erste dielektrische Platte (10) und die zweite dielektrische Platte (30) in dem Hohlraum (50) gleiten und die anliegenden Vorsprünge (12, 32) entlang der Wände des Hohlraums (50) gleiten.
  13. Phasenschieber (100) nach Anspruch 11, wobei der Hohlraum (50) eine erste Seitenwand und eine zweite Seitenwand umfasst, die gegenüber einander liegen und sich entlang der Längenrichtung der Metallstreifenleitung (20) erstrecken, an jeder der ersten Seitenwand und der zweiten Seitenwand zwei Führungsnuten (52, 53) bereitgestellt sind, und zwei gegenüberliegende Seiten der ersten dielektrischen Platte (10) verschiebbar in einer der Führungsnuten (52, 53) an der ersten Seitenwand und der zweiten Seitenwand montiert sind, und zwei gegenüberliegende Seiten der zweiten dielektrischen Platte (30) verschiebbar in einer anderen Führungsnut (52, 53) an der ersten Seitenwand und der zweiten Seitenwand montiert sind.
  14. Abgesetzte elektrische Neigungsantenne, umfassend ein Strahlungselement und den Phasenschieber (100) nach einem der Ansprüche 1 bis 13, wobei das Strahlungselement mit dem Phasenschieber (100) verbunden ist und ein durch den Phasenschieber (100) übertragenes elektromagnetisches Wellensignal durch das Strahlungselement abgestrahlt wird.
EP20967806.9A 2020-12-31 2020-12-31 Phasenschieber und elektrisch gesteuerte antenne Active EP4246709B1 (de)

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FR2845205B3 (fr) * 2002-07-16 2005-04-08 Jacquelot Dephaseur capable de variation de phase continue
DE10351506A1 (de) * 2003-11-05 2005-06-02 Robert Bosch Gmbh Vorrichtung sowie Verfahren zur Phasenverschiebung
US7298233B2 (en) * 2004-10-13 2007-11-20 Andrew Corporation Panel antenna with variable phase shifter
WO2015081475A1 (zh) * 2013-12-02 2015-06-11 广东通宇通讯股份有限公司 一种基于介质加载的移相装置
CN104051821B (zh) * 2014-05-23 2019-03-01 京信通信技术(广州)有限公司 介质移相器
CN104269647B (zh) * 2014-09-09 2017-12-22 西安华为技术有限公司 一种移相器
CN204668471U (zh) * 2015-04-14 2015-09-23 江苏捷士通射频系统有限公司 一种超宽带低频移相器模块
CN104733859A (zh) * 2015-04-14 2015-06-24 江苏捷士通射频系统有限公司 一种超宽带低频移相器模块
CN205194845U (zh) * 2015-11-09 2016-04-27 广东晖速通信技术股份有限公司 一种天线用移相器
CN206301919U (zh) * 2016-12-27 2017-07-04 深圳国人通信股份有限公司 一种小型化单步式移相器
CN207353433U (zh) * 2017-10-20 2018-05-11 广东通宇通讯股份有限公司 介质移相器介质结构
CN110783666A (zh) * 2018-07-31 2020-02-11 上海华为技术有限公司 移相器及电调天线
CN109659694B (zh) * 2019-01-30 2023-09-29 京信通信技术(广州)有限公司 移相馈电装置及基站天线
CN110867630B (zh) * 2019-11-27 2021-06-11 中信科移动通信技术股份有限公司 介质移相器
CN112768941B (zh) * 2020-12-30 2022-07-26 京信通信技术(广州)有限公司 移相器、移相平衡装置及电调天线

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CN116349088A (zh) 2023-06-27
US20230344121A1 (en) 2023-10-26
CN116349088B (zh) 2025-07-11
EP4246709A1 (de) 2023-09-20
WO2022141467A1 (zh) 2022-07-07

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